00001 // Copyright (C) 2001, 2002, 2003, 2004 EPITA Research and Development 00002 // Laboratory 00003 // 00004 // This file is part of the Olena Library. This library is free 00005 // software; you can redistribute it and/or modify it under the terms 00006 // of the GNU General Public License version 2 as published by the 00007 // Free Software Foundation. 00008 // 00009 // This library is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with this library; see the file COPYING. If not, write to 00016 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00017 // Boston, MA 02110-1301, USA. 00018 // 00019 // As a special exception, you may use this file as part of a free 00020 // software library without restriction. Specifically, if other files 00021 // instantiate templates or use macros or inline functions from this 00022 // file, or you compile this file and link it with other files to 00023 // produce an executable, this file does not by itself cause the 00024 // resulting executable to be covered by the GNU General Public 00025 // License. This exception does not however invalidate any other 00026 // reasons why the executable file might be covered by the GNU General 00027 // Public License. 00028 00029 #ifndef NTG_COLOR_YUV_HH 00030 # define NTG_COLOR_YUV_HH 00031 00032 # include <ntg/color/color.hh> 00033 00034 namespace ntg 00035 { 00036 00037 enum yuv_comp 00038 { 00039 yuv_Y = 0, 00040 yuv_U = 1, 00041 yuv_V = 2 00042 }; 00043 00044 template<unsigned icomp> struct yuv_traits; 00045 template<> struct yuv_traits<yuv_Y> : public interval<0,1> {}; 00046 template<> struct yuv_traits<yuv_U> 00047 { 00048 static float lower_bound() { return -0.517; } 00049 static float upper_bound() { return 0.437; } 00050 }; 00051 00052 template<> struct yuv_traits<yuv_V> 00053 { 00054 static float lower_bound() { return -0.576; } 00055 static float upper_bound() { return 0.654; } 00056 }; 00057 00058 typedef color<3,8,yuv_traits> yuv_8; 00059 typedef color<3,16,yuv_traits> yuv_16; 00060 typedef color<3,32,yuv_traits> yuv_32; 00061 00062 } // end of ntg. 00063 00064 #endif // !NTG_COLOR_YUV_HH